A member asked:

How come when i smile wide my mouth trembles?

A doctor has provided 1 answer

Essential tremor: This maybe part of an essential aka familial aka intention tremor. These are not serious but tend to run in families. They usually are seen most in hands when trying to lift things, are made worse by caffeine, stimulants and anxiety. If concerned consult a neurologist.

Answered 5/8/2016

5.7k views

Thank

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